A battery capacity grading system

Abstract

The application discloses a battery capacity grading system and relates to the technical field of battery capacity grading. The battery capacity grading system comprises a supporting body, a conveying belt assembly is arranged at the bottom of the supporting body, a capacity grading detection assembly is arranged on the supporting body, and an electrode docking end is arranged below the capacity grading detection assembly; a guide sleeve is connected to the capacity grading detection assembly, a lifting slide rod is slidably arranged in the guide sleeve, the bottom end of the lifting slide rod is connected with the electrode docking end, and a first spring is connected between the lifting slide rod and the guide sleeve; main inclined pressing plates are respectively connected to the left and right sides of the capacity grading detection assembly. When the battery group is subjected to capacity grading, the battery group is conveyed to below the capacity grading detection assembly by the conveying belt assembly, then the capacity grading detection assembly is driven to descend by the lifting electric guide rail, the main inclined pressing plates on the left and right sides are driven to descend, the main inclined pressing plates act on the battery group by the linkage inclined pressing plate, the battery group is transversely slid by the inclined surface extrusion, position adjustment is realized, and the capacity grading operation efficiency is improved.

Description

Technical Field

[0001] This invention relates to the field of battery capacity assessment technology, and more specifically to a battery capacity assessment system. Background Technology

[0002] After a batch of lithium batteries is manufactured, although they are the same size, their capacities will vary. Therefore, they must be fully charged according to specifications on the equipment and then discharged according to the specified current. The time taken to discharge the batteries multiplied by the discharge current is the battery capacity. Only when the tested capacity meets or exceeds the designed capacity is the lithium battery qualified. Batteries with a capacity less than the designed capacity are not qualified. This process of screening qualified batteries through capacity testing is called capacity grading.

[0003] Chinese Patent Publication No. CN217846576U, entitled "A Battery Capacity Testing Device," includes a main body with a locking slot at the bottom for mounting a battery module. A battery capacity detection unit is mounted on the main body and includes a driving unit and a detection component. The detection component has a detection position that contacts the electrodes of the battery module. When performing battery capacity testing, the battery module is first assembled on the locking slot, and then the battery capacity detection unit is lowered and connected to the battery module for capacity testing.

[0004] The shortcomings of the above-mentioned existing technical solutions are as follows: When performing capacity testing on battery modules, the above solutions require the battery modules to be assembled into the slots, that is, the battery modules need to be placed in the correct position so that they can be connected with the battery capacity testing unit. This assembly process requires ensuring the precise position of the battery modules. If the position is deviated, it will be difficult to test and connect. Therefore, manual position adjustment is generally required, and automatic position adjustment and positioning cannot be performed. The manual adjustment process is time-consuming and labor-intensive, resulting in low capacity testing efficiency. Summary of the Invention

[0005] The purpose of this invention is to provide a battery capacity testing system to solve the technical problem in the prior art where the battery module is not easy to automatically adjust and position during battery capacity testing, resulting in low capacity testing efficiency.

[0006] The technical problem to be solved by this invention can be achieved through the following technical solution:

[0007] A battery capacity testing system includes a support body, a conveyor belt assembly at the bottom of the support body, a capacity testing detection assembly on the support body, and an electrode docking end below the capacity testing assembly.

[0008] The capacity detection component is connected to a guide sleeve, and a lifting slide rod is slidably inserted inside the guide sleeve. The bottom end of the lifting slide rod is connected to the electrode docking end. A first spring is connected between the lifting slide rod and the guide sleeve. The guide sleeve is provided with an elastic locking mechanism that cooperates with the lifting slide rod.

[0009] A lifting electric guide rail is connected to the side wall of the supporting body, and the capacity detection component is slidably connected to the lifting electric guide rail; main inclined pressure plates are connected to both sides of the capacity detection component, and a linkage inclined pressure plate is arranged parallel to one side of each main inclined pressure plate. An auxiliary position adjustment mechanism is provided at the bottom of the linkage inclined pressure plate, and a connecting slide rod is connected to one side of the linkage inclined pressure plate, and the connecting slide rod passes through the corresponding main inclined pressure plate. A third spring is connected between the connecting slide rod and the main inclined pressure plate; a second steel wire linkage component is provided between the connecting slide rod and the lifting slide rod; a front and rear position adjustment mechanism is also provided below the capacity detection component.

[0010] Both main inclined pressure plates are slidably interspersed with linkage slide rods. A fourth spring connects the linkage slide rod to the corresponding main inclined pressure plate, and a first steel wire linkage assembly is provided between the end of the linkage slide rod away from the linkage inclined pressure plate and the elastic locking mechanism.

[0011] As a further embodiment of the present invention: the auxiliary position adjustment mechanism includes a drive push wheel and a pressure sensing switch, the pressure sensing switch is connected to the bottom of the linkage inclined plate, the drive push wheel is connected to the bottom of the linkage inclined plate, and the pressure sensing switch is electrically connected to the drive push wheel.

[0012] As a further aspect of the present invention: the elastic locking mechanism includes a sliding bolt and a second spring. There are two sliding bolts, which are slidably disposed on both sides of the guide sleeve. One end of the sliding bolt is inserted into the lifting slide rod, and the other end is connected to the outer wall of the guide sleeve through the second spring.

[0013] As a further aspect of the present invention: the first wire linkage assembly includes a first linkage wire and a first fixed pulley group. One end of the first linkage wire is connected to the end of the linkage slide rod away from the linkage inclined pressure plate, and the other end of the first linkage wire is connected to the corresponding sliding bolt. The first fixed pulley group is connected to one side of the main inclined pressure plate, and the first linkage wire and the first fixed pulley group are connected in cooperation.

[0014] As a further embodiment of the present invention: the second steel wire linkage assembly includes a second linkage steel wire and an auxiliary fixed pulley. One end of the second linkage steel wire is connected to the connecting slide rod, and the other end is connected to the top of the lifting slide rod. The auxiliary fixed pulley is connected to the top of the guide sleeve, and the end of the second linkage steel wire near the lifting slide rod cooperates with the auxiliary fixed pulley.

[0015] As a further embodiment of the present invention: a second fixed pulley group is connected to one side of the main inclined pressure plate, and the second linkage steel wire cooperates with the second fixed pulley group.

[0016] As a further aspect of the present invention: a support plate is provided below the conveyor belt assembly, and the support plate is aligned with the capacity detection assembly.

[0017] As a further embodiment of the present invention: the front and rear position adjustment mechanism includes a fixed limiting baffle and a movable push plate. The fixed limiting baffle is disposed on the rear side of the support plate, and the movable push plate is disposed on the front side of the support plate and is aligned with the fixed limiting baffle. An electric push rod is connected to the front side of the support plate, and the movable push plate is connected to the telescopic end of the electric push rod. A pressure sensor electrically connected to the electric push rod is connected to the inclined surface of the linkage inclined pressure plate.

[0018] The beneficial effects of this invention are:

[0019] 1. In this invention, the battery pack is transported to the bottom of the capacity testing component by a conveyor belt assembly during capacity testing. The capacity testing component is then driven to descend by a lifting electric guide rail, which in turn lowers the main inclined pressure plates on both sides. The main inclined pressure plates act on the battery pack through the linkage inclined pressure plates, and the battery pack slides laterally by the inclined surface pressure, thereby adjusting its position. At the same time, the battery pack is pushed against the fixed limit baffle by the movable push plate in the front and rear direction, thereby automatically adjusting and positioning the battery pack in the detection position. The power terminal of the battery pack is aligned with the electrode docking end of the capacity testing component. During the pressing process of the linkage inclined pressure plate, it acts on the linkage slide rod. The linkage slide rod is then unlocked by the first steel wire linkage component, which allows the lifting slide rod limit at the electrode docking end to be released. In this way, the lifting slide rod can automatically descend and dock with the electrode docking end under the action of the first spring rebound force, thereby automatically adjusting the detection position and completing the docking, thus improving the efficiency of the capacity testing operation.

[0020] 2. When the battery pack is lowered by the main inclined plate, if the battery pack is offset too much, the bottom of the linkage inclined plate will contact the battery pack. At this time, the corresponding pressure sensing switch will generate feedback, causing the drive push wheel to rotate. The drive push wheel will push the battery pack to slide between the linkage inclined plates to facilitate squeezing and adjusting its position.

[0021] 3. After the linkage inclined pressure plate of the present invention is separated from the battery pack, the linkage inclined pressure plate is reset by the rebound force of the third spring on the connecting slide rod. During this process, the connecting slide rod pulls the first steel wire linkage component, and the second steel wire linkage component can lift the lifting slide rod, so that the lifting slide rod with the electrode docking end is raised and reset, and re-connected and fixed with the set sliding bolt, thereby facilitating the next capacity test. Attached Figure Description

[0022] The invention will now be further described with reference to the accompanying drawings.

[0023] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0024] Figure 2 yes Figure 1 Enlarged structural diagram at point A;

[0025] Figure 3 This is a left-view structural schematic diagram of the relative positional distribution of the fixed limiting baffle, the movable push plate, and the capacity detection component in this invention;

[0026] Figure 4 This is a partial structural diagram of the connection between the capacity testing component and the battery pack in this invention.

[0027] In the diagram: 1. Support body; 2. Conveyor belt assembly; 3. Support plate; 4. Capacity detection assembly; 5. Lifting electric guide rail; 6. Main inclined pressure plate; 7. Pressure sensing switch; 8. Linkage inclined pressure plate; 9. Connecting slide rod; 10. Third spring; 11. Linkage slide rod; 12. Fourth spring; 13. First linkage steel wire; 14. First fixed pulley group; 15. Second linkage steel wire; 16. Guide sleeve; 17. Electrode docking end; 18. Lifting slide rod; 19. First spring; 20. Sliding bolt; 21. Second spring; 22. Drive push wheel; 23. Fixed limit baffle; 24. Movable push plate; 25. Electric push rod; 26. Auxiliary fixed pulley; 27. Second fixed pulley group; 28. Battery pack. Detailed Implementation

[0028] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0029] like Figures 1-4 As shown, a battery capacity assessment system includes a support body 1, a conveyor belt assembly 2 at the bottom of the support body 1 for conveying battery packs 28 to be tested, a capacity assessment detection assembly 4 on the support body 1, and an electrode docking end 17 below the capacity assessment detection assembly 4. After the capacity assessment detection assembly 4 docks with the power terminal of the battery pack 28 through the electrode docking end 17, it can charge the battery pack 28 and then discharge it, and calculate the level that the battery pack 28 can discharge, thereby calculating the capacity, and then screening and assessing the battery pack 28.

[0030] A guide sleeve 16 is fixedly connected to the capacity testing assembly 4. A lifting slide rod 18 is vertically slidably inserted inside the guide sleeve 16, and the bottom end of the lifting slide rod 18 is connected to the electrode docking end 17. A first spring 19 is connected between the lifting slide rod 18 and the guide sleeve 16, allowing the lifting slide rod 18 to facilitate the up and down movement of the electrode docking end 17. An elastic locking mechanism is provided on the guide sleeve 16 to cooperate with the lifting slide rod 18. The elastic locking mechanism includes a sliding bolt 20 and a second spring 21. Two sliding bolts 20 are provided and are horizontally slidably disposed on the guide sleeve. On both sides of guide sleeve 16, the sliding bolt 20 penetrates the side wall of guide sleeve 16, and one end of the sliding bolt 20 is inserted into the lifting slide rod 18, that is, the lifting slide rod 18 has a hole for the sliding bolt 20 to pass through. The other end is connected to the outer wall of guide sleeve 16 through the second spring 21. When the lifting slide rod 18 slides up with the electrode docking end 17, the lifting slide rod 18 compresses the first spring 19, and at the same time, the end of the sliding bolt 20 is inserted into the hole on the lifting slide rod 18. In this way, the sliding bolt 20 can keep the lifting slide rod 18 fixed relative to guide sleeve 16. Figure 2 The middle lifting slide bar 18 and the sliding bolt 20 are in a mating and docking state;

[0031] A lifting electric guide rail 5 is connected to the side wall of the support body 1. The capacity testing component 4 is slidably connected to the lifting electric guide rail 5. The capacity testing component 4 can move up and down along the lifting electric guide rail 5. A support plate 3 is provided under the conveyor belt component 2, and the support plate 3 is aligned with the capacity testing component 4. The support plate 3 is fixedly connected to the support body 1. When the battery pack 28 is transported to the area below the capacity testing component 4 along with the conveyor belt component 2, the support plate 3 can provide stable support under the conveyor belt component 2, which facilitates the testing of the battery pack 28.

[0032] The capacity testing component 4 is connected to two main inclined pressure plates 6 on both sides. The two main inclined pressure plates 6 are symmetrically distributed, and the distance between the two main inclined pressure plates 6 is adapted to the left and right lateral width of the matching battery pack 28 to be tested. Each main inclined pressure plate 6 has a linkage inclined pressure plate 8 arranged parallel to one side. A connecting slide rod 9 is horizontally connected to one side of the linkage inclined pressure plate 8, and the connecting slide rod 9 passes through the corresponding main inclined pressure plate 6. A third spring 10 connects the connecting slide rod 9 and the main inclined pressure plate 6. When the battery pack 28 is transported to a position approximately below the capacity testing component 4 by the conveyor belt component 2, the lifting electric guide rail 5 causes the capacity testing component 4 to descend. At this time, the two main inclined pressure plates 6 on both sides descend synchronously. If the battery pack 28 is within the position range between the two linkage inclined pressure plates 8 on both sides, the two main inclined pressure plates 6 pass through the corresponding The inclined pressure plate 8 applies pressure to the battery pack 28. If the terminal of the battery pack 28 is not aligned with the electrode docking end 17, the battery pack 28 can only contact one side of the inclined pressure plate 8. Due to the pressure, the battery pack 28 can move laterally to adjust its position. When the inclined pressure plate 8 applies pressure to the battery pack 28, it slides closer to the corresponding main inclined pressure plate 6 due to the pressure reaction force. When the left and right edges of the top of the battery pack 28 are in contact with the two inclined pressure plates 8, and both inclined pressure plates 8 are pressed against the corresponding main inclined pressure plate 6 due to the pressure, the position of the battery pack 28 in the left and right directions is adjusted. At this time, the main inclined pressure plate 6 is pressed against the top edge of the battery pack 28 by the inclined pressure plate 8 and cannot continue to descend.

[0033] Both main inclined pressure plates 6 are slidably interspersed with linkage rods 11. A fourth spring 12 connects the linkage rod 11 to the corresponding main inclined pressure plate 6. A first steel wire linkage assembly is provided between the end of the linkage rod 11 away from the linkage inclined pressure plate 8 and the elastic locking mechanism. The first steel wire linkage assembly includes a first linkage steel wire 13 and a first fixed pulley group 14. One end of the first linkage steel wire 13 is connected to the end of the linkage rod 11 away from the linkage inclined pressure plate 8, and the other end of the first linkage steel wire 13 is connected to the corresponding sliding bolt 20. The first fixed pulley group 14 is connected to one side of the main inclined pressure plate 6 through a bracket, and the first linkage steel wire 13 and the first fixed pulley group 14 are connected in cooperation. The first fixed pulley group 14 keeps the end of the first linkage steel wire 13 near the sliding bolt 20 in a horizontal position, thereby facilitating the lateral pulling of the sliding bolt 20 away from the lifting rod 18. Thus, when the linkage inclined pressure plate 8 is moved from the lifting rod 18, the first fixed pulley group 14 can be used to pull the sliding bolt 20 away from the lifting rod 18. When the battery pack 28 is pressed against the corresponding main inclined pressure plate 6, the linkage inclined pressure plate 8 presses against the linkage slide rod 11, causing the linkage slide rod 11 to slide relative to the main inclined pressure plate 6. During the sliding process of the linkage slide rod 11, the fourth spring 12 is stretched and generates a rebound force. At the same time, the linkage slide rod 11 also pulls the first linkage steel wire 13. The first linkage steel wire 13 is turned by the first fixed pulley group 14, causing the other end to pull the corresponding slide bolt 20. Thus, the slide bolt 20 is disengaged from the lifting slide rod 18. When both sides of the battery pack 28 are pressed against the linkage inclined pressure plate 8, and both sides of the linkage inclined pressure plate 8 are pressed into place, the slide bolts 20 on both sides of the guide sleeve 16 are disengaged from the lifting slide rod 18. Thus, the lifting slide rod 18 is ejected downward under the rebound force of the first spring 19, which facilitates the descent of the electrode docking end 17 and facilitates docking with the power connection end on the battery pack 28.

[0034] A second steel wire linkage assembly is provided between the connecting slide rod 9 and the lifting slide rod 18. The second steel wire linkage assembly includes a second linkage steel wire 15 and an auxiliary fixed pulley 26. One end of the second linkage steel wire 15 is connected to the connecting slide rod 9, and the other end is connected to the top of the lifting slide rod 18. The auxiliary fixed pulley 26 is connected to the top of the guide sleeve 16, and the end of the second linkage steel wire 15 near the lifting slide rod 18 cooperates with the auxiliary fixed pulley 26. The auxiliary fixed pulley 26 facilitates the second linkage steel wire 15 to lift the lifting slide rod 18 upward. A second fixed pulley group 27 is connected to one side of the main inclined pressure plate 6, and the second linkage steel wire 15 cooperates with the second fixed pulley group 27.

[0035] When the linkage inclined plate 8 is pressed against the main inclined plate 6 due to compression, the connecting slide rod 9 slides, causing the third spring 10 to stretch and generate a rebound force. Although the second linkage steel wire 15 connected to the connecting slide rod 9 becomes loose during this process, it slides down due to the unlocking of the lifting slide rod 18 and the rebound force of the first spring 19. The lifting slide rod 18 then tightens the second linkage steel wire 15 again. When the battery pack 28 disengages from the linkage inclined plate 8, the connecting slide rod 9 can drive the linkage inclined plate 8 to reset by relying on the rebound force of the third spring 10. During this process, the connecting slide rod 9 pulls the second linkage steel wire 15, and the second linkage steel wire 15 relies on the second fixed... The pulley block 27 and the auxiliary fixed pulley 26 turn upwards to reset the lifting slide rod 18. During this process, since the linkage inclined pressure plate 8 has disengaged from the linkage slide rod 11, the linkage slide rod 11 is reset by the rebound force of the fourth spring 12. The corresponding bolt 20 is pressed against the side wall of the lifting slide rod 18 by the rebound force of the second spring 21. When the hole on the lifting slide rod 18 is aligned with the bolt 20, the bolt 20 is reinserted into the hole on the side wall of the lifting slide rod 18, so that the lifting slide rod 18 is reset and fixed. The first spring 19 connected to the lifting slide rod 18 is compressed again to facilitate the next descent of the lifting slide rod 18.

[0036] An auxiliary position adjustment mechanism is provided at the bottom of the linkage inclined plate 8. The auxiliary position adjustment mechanism includes a drive push wheel 22 and a pressure sensing switch 7. The pressure sensing switch 7 is connected to the bottom of the linkage inclined plate 8, and the drive push wheel 22 is connected to the front and rear sides of the bottom of the linkage inclined plate 8. The drive push wheel 22 is driven by a drive motor. The pressure sensing switch 7 is electrically connected to the drive push wheel 22. When the battery pack 28 is not in the position between the two linkage inclined plates 8, the linkage inclined plate 8 descends and its bottom end will abut against the battery pack 28. Then the pressure sensing switch 7 will generate a sense, thereby causing the corresponding drive push wheel 22 to rotate. When the bottom end of the linkage inclined plate 8 abuts against the battery pack 28, the drive push wheel 22 also abuts against the battery pack 28. In this way, the drive push wheel 22 can push the battery pack 28 to the position between the two linkage inclined plates 8 by rotation, so as to achieve fine adjustment. This makes it convenient for the linkage inclined plate 8 to descend and achieve position alignment by the pressure of the inclined surface on the edge of the battery pack 28.

[0037] Below the capacity testing component 4, a front-to-back position adjustment mechanism is also provided. The front-to-back position adjustment mechanism includes a fixed limiting baffle 23 and a movable push plate 24. The fixed limiting baffle 23 is located on the rear side of the support plate 3, and the movable push plate 24 is located on the front side of the support plate 3, and the movable push plate 24 is aligned with the fixed limiting baffle 23. An electric push rod 25 is connected to the front side of the support plate 3. The movable push plate 24 is connected to the telescopic end of the electric push rod 25. A pressure sensor electrically connected to the electric push rod 25 is connected to the inclined surface of the linkage inclined pressure plate 8. When the linkage inclined pressure plate 8 squeezes the battery pack 28, the pressure sensor will generate a sense, causing the electric push rod 25 to extend. The electric push rod 25 will then drive the movable push plate 24 to move laterally and push the battery pack 28, so that the battery pack 28 comes into contact with the fixed limiting baffle 23 and stops. In this way, the front-to-back position of the battery pack 28 is achieved.

[0038] The working principle of this invention: When the battery pack 28 is conveyed to a position approximately below the capacity testing component 4 by the conveyor belt assembly 2, the lifting electric guide rail 5 causes the capacity testing component 4 to descend. At this time, the main inclined pressure plates 6 on both sides descend synchronously. If the battery pack 28 is within the position range between the two linkage inclined pressure plates 8, the two main inclined pressure plates 6 will respectively exert pressure on the battery pack 28 through the inclined surfaces of the corresponding linkage inclined pressure plates 8. If the terminal of the battery pack 28 is not aligned with the electrode docking terminal 17, then the battery pack 28 can only contact one of the linkage inclined pressure plates 8. Due to the inclined surface pressure, the battery pack 28 can undergo lateral displacement to achieve position adjustment. When the linkage inclined pressure plate 8 exerts pressure on the battery pack 28, the linkage inclined pressure plate 8 slides closer to the corresponding main inclined pressure plate 6 due to the pressure reaction force and the connecting slide rod 9. When the battery pack 28... When the top left and right edges are in contact with the two linkage inclined pressure plates 8, and both linkage inclined pressure plates 8 are pressed against the corresponding main inclined pressure plate 6, the left and right position of the battery pack 28 is adjusted and positioned. If the battery pack 28 is not in the position between the two linkage inclined pressure plates 8, when the linkage inclined pressure plate 8 descends, its bottom end will contact the battery pack 28, and then the pressure sensing switch 7 will be activated, causing the corresponding drive push wheel 22 to rotate. When the bottom end of the linkage inclined pressure plate 8 contacts the battery pack 28, the drive push wheel 22 also contacts the battery pack 28. In this way, the drive push wheel 22 can push the battery pack 28 to the position between the two linkage inclined pressure plates 8 by rotation, so as to achieve fine adjustment. This makes it convenient for the linkage inclined pressure plate 8 to descend and rely on the inclined surface to press the edge of the battery pack 28 to achieve the left and right position.

[0039] When the linkage inclined pressure plate 8 squeezes the battery pack 28, the pressure sensor will generate a response, causing the electric push rod 25 to extend. The electric push rod 25 will then drive the movable push plate 24 to move laterally and push the battery pack 28, so that the battery pack 28 comes into contact with the fixed limit baffle 23 and stops. In this way, the battery pack 28 is positioned in the front and rear directions.

[0040] Furthermore, when the linkage inclined pressure plate 8 is pressed against the corresponding main inclined pressure plate 6, the linkage inclined pressure plate 8 exerts a pressing force on the linkage slide rod 11, causing the linkage slide rod 11 to slide relative to the main inclined pressure plate 6. During the sliding process of the linkage slide rod 11, the fourth spring 12 is stretched to generate a rebound force. At the same time, the linkage slide rod 11 also pulls on the first linkage steel wire 13. The first linkage steel wire 13, relying on the steering action of the first fixed pulley group 14, causes the other end of the first linkage steel wire 13 to pull the corresponding sliding bolt 20. In this way, the sliding bolt 20 is disengaged from the lifting slide rod 18. When both sides of the battery pack 28 are pressed against the set linkage inclined pressure plate 8, and both sides of the linkage inclined pressure plate 8 are pressed into place, the sliding bolts 20 on both sides of the guide sleeve 16 are disengaged from the lifting slide rod 18. In this way, the lifting slide rod 18 is ejected downward under the action of the first spring 19, which facilitates the descent of the electrode docking end 17. Since the battery pack 28 has been adjusted and positioned, it is convenient for the electrode docking end 17 to dock with the power connection end on the battery pack 28. This makes it convenient for the capacity detection component 4 to perform capacity detection on the battery pack 28 and complete the capacity detection.

[0041] Furthermore, when the battery pack 28 disengages from the linkage inclined plate 8, the connecting slide rod 9 can rely on the rebound force of the third spring 10 to drive the linkage inclined plate 8 to reset. During this process, the connecting slide rod 9 pulls the second linkage steel wire 15, which in turn pulls the lifting slide rod 18 to reset by the steering action of the second fixed pulley group 27 and the auxiliary fixed pulley 26. During this process, since the linkage inclined plate 8 has disengaged from the linkage slide rod 11, the linkage slide rod 11 resets by the rebound force of the fourth spring 12. The corresponding bolt 20 then abuts against the side wall of the lifting slide rod 18 by the rebound force of the second spring 21. When the hole on the lifting slide rod 18 aligns with the bolt 20, the bolt 20 re-inserts into the hole on the side wall of the lifting slide rod 18, thus resetting and fixing the lifting slide rod 18. The first spring 19 connected to the lifting slide rod 18 is compressed again, making it easier to drive the lifting slide rod 18 to descend next time.

[0042] The foregoing has provided a detailed description of one embodiment of the present invention, but this description is merely a preferred embodiment and should not be construed as limiting the scope of the invention. All equivalent variations and modifications made within the scope of the claims of this invention should still fall within the patent coverage of this invention.

Claims

1. A battery capacity testing system, comprising a support body (1), a conveyor belt assembly (2) disposed at the bottom of the support body (1), a capacity testing detection assembly (4) disposed on the support body (1), and an electrode docking end (17) disposed below the capacity testing assembly (4); characterized in that: The capacity detection component (4) is connected to a guide sleeve (16), and a lifting slide rod (18) is slidably inserted inside the guide sleeve (16). The bottom end of the lifting slide rod (18) is connected to the electrode docking end (17). A first spring (19) is connected between the lifting slide rod (18) and the guide sleeve (16). The guide sleeve (16) is provided with an elastic locking mechanism that cooperates with the lifting slide rod (18). A lifting electric guide rail (5) is connected to the side wall of the supporting body (1), and the capacity detection component (4) is slidably connected to the lifting electric guide rail (5); a main inclined pressure plate (6) is connected to both sides of the capacity detection component (4), and a linkage inclined pressure plate (8) is arranged parallel to one side of each main inclined pressure plate (6). An auxiliary position adjustment mechanism is provided at the bottom of the linkage inclined pressure plate (8), and a connecting slide rod (9) is connected to one side of the linkage inclined pressure plate (8), and the connecting slide rod (9) passes through the corresponding main inclined pressure plate (6). A third spring (10) is connected between the connecting slide rod (9) and the main inclined pressure plate (6); a second steel wire linkage component is provided between the connecting slide rod (9) and the lifting slide rod (18); a front and rear position adjustment mechanism is also provided below the capacity detection component (4); Both main inclined pressure plates (6) are slidably interspersed with linkage slide rods (11). A fourth spring (12) is connected between the linkage slide rod (11) and the corresponding main inclined pressure plate (6). A first steel wire linkage assembly is provided between the end of the linkage slide rod (11) away from the linkage inclined pressure plate (8) and the elastic locking mechanism.

2. The battery capacity assessment system according to claim 1, characterized in that, The auxiliary position adjustment mechanism includes a drive push wheel (22) and a pressure sensing switch (7). The pressure sensing switch (7) is connected to the bottom of the linkage inclined plate (8), and the drive push wheel (22) is connected to the bottom of the linkage inclined plate (8). The pressure sensing switch (7) and the drive push wheel (22) are electrically connected.

3. The battery capacity grading system according to claim 1, characterized in that, The elastic locking mechanism includes a sliding bolt (20) and a second spring (21). There are two sliding bolts (20), which are slidably disposed on both sides of the guide sleeve (16). One end of the sliding bolt (20) is inserted into the lifting slide rod (18), and the other end is connected to the outer wall of the guide sleeve (16) through the second spring (21).

4. A battery capacity grading system according to claim 3, characterized in that, The first wire linkage assembly includes a first linkage wire (13) and a first fixed pulley group (14). One end of the first linkage wire (13) is connected to the end of the linkage slide rod (11) away from the linkage inclined pressure plate (8), and the other end of the first linkage wire (13) is connected to the corresponding slide bolt (20). The first fixed pulley group (14) is connected to one side of the main inclined pressure plate (6), and the first linkage wire (13) and the first fixed pulley group (14) are connected in cooperation.

5. A battery capacity grading system according to claim 1, characterized in that, The second wire linkage assembly includes a second linkage wire (15) and an auxiliary fixed pulley (26). One end of the second linkage wire (15) is connected to the connecting slide rod (9), and the other end is connected to the top of the lifting slide rod (18). The auxiliary fixed pulley (26) is connected to the top of the guide sleeve (16), and the end of the second linkage wire (15) near the lifting slide rod (18) cooperates with the auxiliary fixed pulley (26).

6. A battery capacity grading system according to claim 5, characterized in that, The main inclined plate (6) is connected to a second fixed pulley group (27) on one side, and the second linkage steel wire (15) cooperates with the second fixed pulley group (27).

7. A battery capacity grading system according to claim 1, characterized in that, A support plate (3) is provided below the conveyor belt assembly (2), and the support plate (3) is aligned with the capacity detection assembly (4).

8. A battery capacity grading system according to claim 7, characterized in that, The front and rear position adjustment mechanism includes a fixed limiting baffle (23) and a movable push plate (24). The fixed limiting baffle (23) is located on the rear side of the support plate (3), and the movable push plate (24) is located on the front side of the support plate (3), and the movable push plate (24) is aligned with the fixed limiting baffle (23). The front side of the support plate (3) is connected to... An electric push rod (25) is connected, and the movable push plate (24) is connected to the telescopic end of the electric push rod (25). A pressure sensor electrically connected to the electric push rod (25) is connected to the inclined surface of the linkage inclined plate (8).

Images